Assertion: Rusting of iron is called corrosion.

Reason: Iron rod will not get corroded if we apply paint, oil or grease.

Choose the correct option out of the following

Both assertion and reason are correct, but reason is not the correct explanation of assertion.

The correct answer is option 2. Both assertion and reason are correct, but reason is not the correct explanation of assertion.

Rusting of iron is called corrosion.

Correct reason: When a metal such as iron is attacked by substances around it such as moisture, acids, etc., it is said to corrode, and this process is called corrosion.